On Monday, April 8, a total solar eclipse will darken a swath of North America in the middle of the day, a cosmic event that is generating buzz, travel plans and watch parties from Mexico to Maine and beyond.
Outdoor groups and state and local officials in northern parts of the northeastern US worry that a surge of eclipse-watchers could overwhelm backcountry first responders.
Under a cloudless sky, about 20,000 eclipse chasers watched a rare solar eclipse plunge part of Australia's northwest coast into brief midday darkness Thursday with an accompanying temperature drop.
If you didn't wake up early enough to see Thursday's solar eclipse yourself, photographers from the U.S. to Asia to Europe snapped images of the striking astronomical event.